"Exosphere" Pronounce,Meaning And Examples
"Exosphere" Natural Recordings by Native Speakers
"Exosphere" Meaning
The exosphere is the outermost layer of a planet's atmosphere, extending from about 500 to 10,000 kilometers (310 to 6,214 miles) above the planet's surface. It is the thinnest and highest layer of a planet's atmosphere, and is characterized by a very low density of gas molecules. The exosphere is not bound to the planet by gravity, and it can escape into space. This layer is often the source of meteors, comets, and other small celestial bodies that can enter a planet's atmosphere.
"Exosphere" Examples
5 Usage Examples of "Exosphere"
Example 1: Definition
The exosphere is the outermost layer of a planet's atmosphere, extending from about 700 to 10,000 km (435 to 6,214 miles) above the surface.Example 2: Scientific Context
Astronomers study the exosphere of planets to understand the composition and behavior of their atmospheres, which can provide clues about the planet's formation and evolution.Example 3: Literary Context
In her science fiction novel, the author describes the exosphere of a distant planet as a vast, unexplored frontier, teeming with mysterious gases and unseen dangers.Example 4: Technical Report
The spacecraft was designed to enter the exosphere of Mars, where it would collect data on the planet's atmospheric composition and search for signs of life.Example 5: Educational Context
In this lesson, we will explore the exosphere of Earth, learning about its functions and the impact of human activities on its composition and health."Exosphere" Similar Words
Exoskeletal
Exoskeletal refers to a structure or system that is external to an organism's body and provides support, protection, or mobility. In biology, it typically refers to the exoskeletons found in arthropods, such as insects, crustaceans, and arachnids, which provide a hard outer covering that supports the animal's body and protects its internal organs. The exoskeleton is typically made up of tough, calcified material such as chitin, and is periodically shed and replaced as the organism grows.
Exoskeleton
An exoskeleton is a tough outer covering or shell that protects and supports the body of an organism, such as an insect, crustacean, or some marine animals. It is a rigid or semi-rigid structure that provides defense, support, and anchorage for the internal organs and muscles. In the context of humans, an exoskeleton is also referred to as artificial exoskeleton, which is a wearable device that provides support, stability, and mobility assistance for people with certain medical conditions, such as paralysis, arthritis, or spinal cord injuries.
Exoskeletons
Exoskeletons refer to external skeletons or coverings that provide structural support and protection to an animal's body, often in addition to or in place of an internal skeleton. Examples of exoskeletons can be found in insects, crustaceans, and some mollusks. Exoskeletons are typically made of a tough, rigid material such as chitin, calcium carbonate, or silica, and may be composed of multiple parts that serve specific functions, such as protection, support, or movement. In some cases, exoskeletons can also provide additional features, such as camouflage, adsorption, or even defense against predators.
Exosmose
Exosmose refers to the transport of substances from the outside environment into a cell or organism through the cell membrane. This process is the reverse of endosmose, where substances move from the inside of the cell to the outside. Exosmose occurs when the concentration of solutes outside the cell is higher than inside the cell, causing water to leave the cell and solutes to enter the cell.
Exosmosis
Exosmosis is the process of the movement of substances from a higher concentration in a solution to a lower concentration in a solution through a semipermeable membrane. This process is the opposite of endosmosis, where the movement of substances is from a lower concentration to a higher concentration.
Exosmotic
Exosmotic refers to a phenomenon that occurs when a solution or a medium has a higher concentration of particles or molecules on one side of a semipermeable membrane than on the other side. This causes the solvent molecules to flow out of the solution or medium with the higher concentration and into the solution or medium with the lower concentration, thereby restoring equilibrium.
Exosome
Exosome: A small, membrane-bound vesicle (typically 30-100 nanometers in diameter) that is released by cells into the extracellular environment. Exosomes are involved in cell-to-cell communication, playing a role in cellular signaling, degradation, and spreading of disease such as cancer, Alzheimer's, and Parkinson's. They carry proteins, lipids, and mRNA from their parent cell to other cells, influencing cell behavior, migration, and differentiation.
Exosomes
Exosomes are small vesicles that are released by cells into the extracellular environment. They are thought to play a role in cell-to-cell communication by delivering proteins, lipids, and RNA fragments between cells. Exosomes can carry a wide range of biomolecules, including proteins, lipids, carbohydrates, and nucleic acids, and can be taken up by other cells, where they can be used to modulate cellular behavior.
Exospore
Exospore refers to a type of spore that is produced by some organisms, typically bacteria, archaea, or fungi, and is typically located outside the cell or its cell wall. This type of spore is often resistant to environmental stress, such as heat, cold, or desiccation, and can be used for dispersal and survival.
Exospores
Exospores are a type of spore that is found on the surface of certain bacteria, such as algae and fungi. They are primarily responsible for reproduction and dispersal of the organism, allowing the species to spread and adapt to new environments.
Exosporium
The exosporium is a thin, outermost layer that covers the spore coat of certain bacteria, particularly those in the genus Bacillus. It is a non-cylindrical, double-layered structure that is composed of protein and is distinguished from the spore coat by its electron-dense appearance. The exosporium plays a crucial role in the protective process of bacterial spores by providing an additional barrier against environmental stressors.
Exossate
To exossate means to remove or strip off the shell or outer covering of something, especially an egg, snail, or other animal. It can also mean to free or disencumber something from its external or extraneous part, such as to exossate the husk of a seed.
Exossation
Exossation is a noun that refers to the process of removing the shell or exoskeleton of an animal, typically a crustacean such as a crab, lobster, or shrimp, in order to dispose of it or use its meat for food.
Exostectomy
Exostectomy is a surgical procedure that involves removing a small area of bone or cartilage that is forming outside of the joint, a condition known as an exostosis or osteochondroma. This procedure is typically performed to relieve pressure or symptoms caused by the abnormal growth, such as pain, limited mobility, or decreased range of motion.
Exostome
Exostoses
Exostoses are bony growths or protrusions that occur on the surface of a bone, typically as a result of chronic irritation or inflammation. They can occur in various parts of the body, such as the jawbone, vertebrae, or ribs. Exostoses are usually small and harmless, but in some cases, they can cause discomfort, pain, or other symptoms. They are often diagnosed and treated by an orthopedic specialist or an oral surgeon.